Product API – Open API

Error message "Object text must begin with '{' at character 0" is displayed.

Please check the vendorItemId. vendorItemId is the option ID created when a product has been approved. Please check and make sure you have entered the correct value. See more

Error message 'There is an error in the input value. line:1' is displayed. How do I fix this?

Error message 'line:1' is displayed when the exact error location cannot be identified because the input value is entered as a single line. Please re-try after changing the JSON format using JSON ... See more

Can I use <iframe>?

You cannot use <iframe> tags, except for YouTube and general images. See more

I want to delete an item (vendor item).

You can only delete an item after its initial listing before it is approved. (Once "vendorItemId" is created after approval, you cannot delete it.) To delete it before approval, delete all the sub-... See more

I get the following error: "Could not change the sales price. You can change within the range between: up to 50% lower - up to 100% higher than the previous sales price before the change."

To prevent sellers from providing incorrect price amounts and protect them from their mistake, Coupang limits price modification within to the given range. If you need to adjust your prices by a b... See more

How do I know which parameters are required and which ones are optional?

For items array, all the parameters are required except for the following:<Parameters that are low-priority and optional for items array>- externalVendorSku: item code used by the seller/vendor - b... See more

Is API product integration available for adult-only (19+) products?

Yes, it is. When you create a product, add the parameter "adultOnly": "ADULT_ONLY" to list your product as adult-only (19+). See more

An error pops up saying "Seller product [****] is not available for approval/approval request"

You can request for product approval only when it is in "temporary saved" status. Please check if the product is in the right status. See more

It keeps saying the input value is wrong for "contentDetails >> content" Parameter

The error on this parameter usually comes up when there is a "forced text wrapping". Please remove line breaks and unwrap the texts as seen in the below example: ex) - Before unwrapping: "content"... See more

How can I list products as an overseas buying agent?

※ From March 2021, when registering a purchasing agent product, an invoice is not required. You should check the following three before listing any product as an overseas buying agent: - Check if... See more

Can I check the information of the order canceled at the stage of payment completion?

Using [Query return/Cancellation request list] API, you can check the information of the order canceled at the stage of payment completion. To query the orders cancelled at the stage of payment com... See more

There is an error that says 'Please check [Courier code]'.

First, please check if you have entered Y for remote area delivery.( remoteAreaDeliverable = "Y" ) Only the courier companies registered to the place of shipping can be entered in the remote area ... See more

How do I find the shipping/return location code?

Use [View Shipping Location List API] to find "outboundShippingPlaceCode". <View Shipping Location List API>Use [View Return Location List API] to find "returnCenterCode". <View Return Location L... See more

I don't understand what each ID means.

Please refer to the following ID definitions:- sellerProductId (Listed Product ID)This is an ID that you will see when a product is created completely. The ID cannot be changed. Use this ID to bund... See more

Is there a limit to the number of products that a seller can register?

As for optional products, you can list 5,000 products per day. Recent explosion of product listing volume call for some control on the number of products being listed to prevent possible errors an... See more

A message “when delivery type is free shipping, basic delivery fee and conditional free shipping fee are 0 won” is returned. What should I do?

The message comes when you enter basic delivery fee and conditional free shipping fee after selecting a free shipping. Please enter 0 for deliveryCharge and freeShipOverAmount..<Three delivery fees... See more

Can I get the list of rejected products via API?

You can use [Product List Paging Query API] to view them. See more

What should I do with an error message saying, "When the delivery type is selected as 'Not Free', conditional free shipping will be 0 KRW"?

This message returns when you choose delivery type as "Not Free" and input free shipping thresholds. Please set "freeShipOverAmount" as 0 KRW. <Delivery Type> - Initial shipping fee on return (del... See more

Price and inventory does not change.

Price and inventory of "Approval Completed" products cannot be changed using [Product Modification API].Please refer to below list and use the corresponding API to make your changes. originalPrice... See more

I get the following warning window: "The number [14] of required product notices is inconsistent with the number [5] provided by the category [Other Goods]"

The warning indicates that the number of notices is different from the metadata. Generally, you have 2 to 3 notice options to choose from. Select one to set up. In the following example of categor... See more

Error message "Cannot find category mandatory attribute" appears.

Please use either [API to search category meta data] or [Category excel file] to find the appropriate "buying option" for your category and add it to json.This error occurs when the mandatory buyin... See more

How can I set up combined shipping?

Only products that have been set with "unionDeliveryType": "UNION_DELIVERY" during product registration are eligible for combined shipping on Coupang.<Combined shipping criteria> - Only products wi... See more

There is an error that says “Check required product info: [Cannot find legally required product info in the [Detail Info] of the entered category]”.

The error occurs when legally required information of a product was not put in correctly. You have to enter notices parameter value correctly among JSON message.1.Check the info entering the catego... See more

The product shown on the site is different from what I listed.

The wrong product info is exposed if a product is merged with the wrong product and should be un-merged. Please file an online inquiry with the Exposed Product ID and Option ID of the wrong product... See more

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